Custom Firmware Extender for 6.XX
Functions:
Change the speed of the CPU / FSB from the XMB, UMD and ISO.
Change the brightness of the screen.
Take screenshots in the XMB, UMD and isos.
Turn the USB from the XMB, UMD or ISO.
Play with your ISO, UMD and homebrew on the PC screen by remotjoy.
Load homebrew and ISO via USB